CVE-2021-26390
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I. Basic Information for CVE-2021-26390
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
AMD EPYC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD EPYC是美国AMD公司的一款x86架构服务器微处理器产品线，中文名为“霄龙”，采用Zen微架构。 AMD EPYC UApp/ABL存在安全漏洞。攻击者利用该漏洞引导加载程序破坏任意内存，从而导致数据完整性丢失。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AMD | Ryzen™ Series | various | - | |
| AMD | Athlon™ Series | various | - |
II. Public POCs for CVE-2021-26390
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · AMD · 2022-05-10 · 8 CVEs total
| CVE-2021-26353 | AMD EPYC DRTM UApp 安全漏洞 | |
| CVE-2021-46771 | AMD Secure Processor 安全漏洞 | |
| CVE-2021-26324 | AMD EPYC SEV-ES TMR 安全漏洞 | |
| CVE-2021-26332 | AMD Secure Encrypted Virtualization 安全漏洞 | |
| CVE-2021-26352 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26370 | AMD EPYC UApp/ABL 输入验证错误漏洞 | |
| CVE-2021-26408 | AMD SEV-legacy 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26390
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